the most popular route in the ordesa valley, from the pradera de ordesa to the cola de caballo waterfall

ordesa national park monte perdido torla cola caballo river arazas huesca spain nature landscape mountain tree environment outdoor valley fall scenic travel water natural orange yellow aragon waterfall trekking light beech foliage scene traveler geological beautiful canyon adventure explorer summit mountains majestic tourism rock europe leisure ecosystem countryside leaf outdoors most popular route from pradera through soaso stands